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Finding the Fourth Proportional to 110,472, 152,454.60 and 60,174.24

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Solution

The fourth proportional to 110,472, 152,454.60 and 60,174.24 is: 83,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,472 : 152,454.60 = 60,174.24 : x
  2. Step 2: Convert to fraction form
    110,472/152,454.60 = 60,174.24/x
  3. Step 3: Cross multiply
    110,472x = 152,454.60 × 60,174.24
  4. Step 4: Simplify right side
    110,472x = 9,173,839,689.50
  5. Step 5: Solve for x
    x = 9,173,839,689.50/110,472
  6. Step 6: Final answer
    x = 83,042.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.